Marketplace

Reference artwork · details may differ from this copy

PROMO

About This Card

Great Hall of the Biblioplex is a Land card from the Magic: The Gathering trading card game. This product is a Rare foil promo from the Secrets of Strixhaven Promos set, identified by set code PSOS and card number 257p. It has a mana value of 0 and a normal layout. The artwork is by Constantin Marin.

Great Hall of the Biblioplex

2026 • Magic: The Gathering • Secrets of Strixhaven Promos

2026 Magic: The Gathering Secrets of Strixhaven Promos

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Market Value

Raw/Ungraded Market: $2.23

Updated 5 days ago

Based on TCGplayer Market (reference)Last Updated Oct 16, 2026Check Price Guide

Market & Price History

Condition	Value	Source	Trend	Price Details
	$2.23Oct 16, 2026	Guide Estimate	0%
Based on TCGplayer Market (reference) Estimate: $2.23, based on Guide Estimate. Source date not availableCaptured Oct 16, 2026 Guide Estimate: $2.23. Evidence date not available. Few comparable observations are available, so this estimate may be less reliable. Over the last 30 days, stored prices ranged from $2.23 to $2.23 across 2 capture days. Change between Sep 30, 2026 and Oct 16, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.

$2.23Oct 16, 2026
Source
Guide Estimate
Trend
0%
Price Details
Based on TCGplayer Market (reference)
Estimate: $2.23, based on Guide Estimate.
Source date not availableCaptured Oct 16, 2026
Guide Estimate: $2.23. Evidence date not available.
Few comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $2.23 to $2.23 across 2 capture days. Change between Sep 30, 2026 and Oct 16, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.

30-day Price History

Raw / Ungraded

TCGplayer Market (reference) · Guide Estimate evidence · captured Oct 16, 2026

Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.

Product Overview

Description

Great Hall of the Biblioplex is a Land card in the Magic: The Gathering trading card game. This card is a Rare foil promo from the Secrets of Strixhaven Promos set (PSOS). It carries the card number 257p and a mana value of 0. The card features a normal layout and artwork by Constantin Marin.

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Product Specs

Card Details

The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.

Catalog Profile

The core identity of the card within the set.

Year

2026

Brand

Magic: The Gathering

Series

Secrets of Strixhaven Promos

Card Number

#257p

Featured Subject

The subject, team, league, and sport context tied to this card.

Featured

Great Hall of the Biblioplex

Game

Magic: The Gathering

TCG Attributes

Rarity, print treatment, and game-specific stats for this card.

Rarity

Rare

Artist

Constantin Marin

Material

Card Stock

Language

English

Finish

Foil

Type

Land

Card Text

Abilities, attacks, oracle text, and flavor text printed on the card.

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell. {5}: If this land isn't a creature, it becomes a 2/4 Wizard creature with "Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn." It's still a land.